Infant and toddler care costs far more per child than preschool, because ratios and group sizes are smaller. A program-wide average hides this.

The MSSA Child Care Center Tuition Calculator shows what each classroom needs to charge to cover its costs at 75% enrollment. Here are its results for Harbor Oak:

The gap is largest for infants and toddlers. Harbor Oak covers it by keeping those rooms full, by enrolling CCS children whose State payments include the EXCELS add-on, and by earning a surplus in the preschool rooms.